Home / 21,856.54-32,729.44-13,552.77

Finding the Fourth Proportional to 21,856.54, 32,729.44 and 13,552.77

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Solution

The fourth proportional to 21,856.54, 32,729.44 and 13,552.77 is: 20,294.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856.54 : 32,729.44 = 13,552.77 : x
  2. Step 2: Convert to fraction form
    21,856.54/32,729.44 = 13,552.77/x
  3. Step 3: Cross multiply
    21,856.54x = 32,729.44 × 13,552.77
  4. Step 4: Simplify right side
    21,856.54x = 443,574,606.43
  5. Step 5: Solve for x
    x = 443,574,606.43/21,856.54
  6. Step 6: Final answer
    x = 20,294.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.